linux-kernel - [PATCH v1 14/18] media: hantro: add G2 support to postproc

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Date:   Wed, 17 Feb 2021 09:03:02 +0100
From:   Benjamin Gaignard <benjamin.gaignard@...labora.com>
To:     ezequiel@...labora.com, p.zabel@...gutronix.de, mchehab@...nel.org,
        robh+dt@...nel.org, shawnguo@...nel.org, s.hauer@...gutronix.de,
        kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        gregkh@...uxfoundation.org, mripard@...nel.org,
        paul.kocialkowski@...tlin.com, wens@...e.org,
        jernej.skrabec@...l.net, krzk@...nel.org, shengjiu.wang@....com,
        adrian.ratiu@...labora.com, aisheng.dong@....com, peng.fan@....com,
        Anson.Huang@....com, hverkuil-cisco@...all.nl
Cc:     linux-media@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org,
        kernel@...labora.com,
        Benjamin Gaignard <benjamin.gaignard@...labora.com>
Subject: [PATCH v1 14/18] media: hantro: add G2 support to postproc

G2 doesn't have the same post processor feature than G1.
Adapt post processor code for G2 requirements.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...labora.com>
Signed-off-by: Ezequiel Garcia <ezequiel@...labora.com>
Signed-off-by: Adrian Ratiu <adrian.ratiu@...labora.com>
---
 .../staging/media/hantro/hantro_postproc.c    | 35 ++++++++++++-------
 1 file changed, 23 insertions(+), 12 deletions(-)

diff --git a/drivers/staging/media/hantro/hantro_postproc.c b/drivers/staging/media/hantro/hantro_postproc.c
index 050880f720d6..64eee936285d 100644
--- a/drivers/staging/media/hantro/hantro_postproc.c
+++ b/drivers/staging/media/hantro/hantro_postproc.c
@@ -74,12 +74,6 @@ void hantro_postproc_enable(struct hantro_ctx *ctx)
 	u32 src_pp_fmt, dst_pp_fmt;
 	dma_addr_t dst_dma;
 
-	if (!vpu->variant->postproc_regs)
-		return;
-
-	/* Turn on pipeline mode. Must be done first. */
-	HANTRO_PP_REG_WRITE_S(vpu, pipeline_en, 0x1);
-
 	src_pp_fmt = VPU_PP_IN_NV12;
 
 	switch (ctx->vpu_dst_fmt->fourcc) {
@@ -93,13 +87,32 @@ void hantro_postproc_enable(struct hantro_ctx *ctx)
 		break;
 	}
 
+	if (!vpu->variant->postproc_regs)
+		return;
+
+	/* Turn on pipeline mode. Must be done first. */
+	HANTRO_PP_REG_WRITE_S(vpu, pipeline_en, 0x1);
+
+	switch (ctx->dev->core_hw_dec_rev) {
+	case HANTRO_G1_REV:
+		HANTRO_PP_REG_WRITE(vpu, clk_gate, 0x1);
+		HANTRO_PP_REG_WRITE(vpu, out_endian, 0x1);
+		HANTRO_PP_REG_WRITE(vpu, out_swap32, 0x1);
+		HANTRO_PP_REG_WRITE(vpu, max_burst, 16);
+
+		HANTRO_PP_REG_WRITE(vpu, orig_width, MB_WIDTH(ctx->dst_fmt.width));
+		HANTRO_PP_REG_WRITE(vpu, display_width, ctx->dst_fmt.width);
+		break;
+	default:
+		vpu_err("PP does not recognize HW revision: %x, disabling\n",
+			ctx->dev->core_hw_dec_rev);
+		hantro_postproc_disable(ctx);
+		return;
+	}
+
 	dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
 	dst_dma = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0);
 
-	HANTRO_PP_REG_WRITE(vpu, clk_gate, 0x1);
-	HANTRO_PP_REG_WRITE(vpu, out_endian, 0x1);
-	HANTRO_PP_REG_WRITE(vpu, out_swap32, 0x1);
-	HANTRO_PP_REG_WRITE(vpu, max_burst, 16);
 	HANTRO_PP_REG_WRITE(vpu, out_luma_base, dst_dma);
 	HANTRO_PP_REG_WRITE(vpu, input_width, MB_WIDTH(ctx->dst_fmt.width));
 	HANTRO_PP_REG_WRITE(vpu, input_height, MB_HEIGHT(ctx->dst_fmt.height));
@@ -107,8 +120,6 @@ void hantro_postproc_enable(struct hantro_ctx *ctx)
 	HANTRO_PP_REG_WRITE(vpu, output_fmt, dst_pp_fmt);
 	HANTRO_PP_REG_WRITE(vpu, output_width, ctx->dst_fmt.width);
 	HANTRO_PP_REG_WRITE(vpu, output_height, ctx->dst_fmt.height);
-	HANTRO_PP_REG_WRITE(vpu, orig_width, MB_WIDTH(ctx->dst_fmt.width));
-	HANTRO_PP_REG_WRITE(vpu, display_width, ctx->dst_fmt.width);
 }
 
 void hantro_postproc_free(struct hantro_ctx *ctx)
-- 
2.25.1